Question: The pulse rates below were recorded over a 30-second time period, both before and after a physical fitness regimen. The data is shown below for 8 randomly selected participants. Is there sufficient evidence to conclude that a significant amount of improvement took place? Assume pulse rates are normally distributed. Test using = 0.10.

 State the null and alternate hypotheses

 Calculate the mean and standard deviation

 Determine which test statistic applies, and calculate it

 Determine the critical value(s).

 State your decision: Should the null hypothesis be rejected?



Before      45    33    30    55    33    32    57    49

After       49    33    35    61    41    32    57    56

Price: $2.99

Solution: The downloadable solution consists of 2 pages
Deliverable: Word Document